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Vocabulary 4 Genetic
Vocabulary
| Definition | Term |
|---|---|
| A _______ is a characteristic, such as seed color. | Trait |
| The passing to offspring is called ____________. | Heredity |
| The study of heredity is called _________. | Genetics |
| Factors that control traits is called ______________. | Genes |
| A _______ allele always shows up in an organism. | Dominant |
| A _______ has two different alleles for a trait. | Hybrid |
| A ________ ____ is hidden whenever the dominant allele is present. | Recessive Allele |
| Is the way an organism looks. | Phenotype |
| Is the genetic makeup, or combination of alleles in an organism. | Genotype |
| Two of the same alleles for a trait is ____________. | Homozygous |
| Two different alleles for a trait is _________. | Heterozygous |
| An ___________ in an organism develops after its born. | Acquired trait |
| Organisms can aquire traits from their environments. A flamingo is pink because it eats pink food. | Environmental: |
| Organisms can acquire traits, like the ability to ride a skateboard, by learning and remembering skills and information. | Learned: |
| Manipulated traits, such as coiled bamboo, are created by human design. People can change both inherited and acquired traits. | Manipulated: |
| _____ determines the inherited traits of an organism. | DNA |
| __________ are short thick coils of coils. | Chromosomes |
| How many chromosomes are in human cells? | 46 |
| Big "b" is an allele little "b" is an allele they make up your | Genes |
| How many chromosomes are in human gametes (egg or sperm)? | 23 |
| Why do body cells have twice as many chromosomes as gametes? | Gametes (eggs & sperm) have 23 because when combine and create a new cell that will becomme a individual baby. With a complete set of 46 chromosomes. A gene is a short piece of DNA that determines the trait of an organism. |